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Q 1/50
Score 0
Light is required for the light dependent reactions because
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it splits ATP molecules which generates the energy necessary to power the light independent reactions
it is the source for electrons
it splits the CO2 molecule
it energizes electrons in the reaction center
Q 2/50
Score 0
Which of the following statements about thylakoids is not correct?
30
The thylakoid membranes contain the photosystems.
The thylakoid membranes contain chlorophyll pigments.
The thylakoid membranes contain the electron transport carriers
The thylakoid membranes contain the Calvin cycle enzymes.
50 questions
Q.
Light is required for the light dependent reactions because
1
30 sec
Q.
Which of the following statements about thylakoids is not correct?
2
30 sec
Q.
The final product of the Calvin cycle which can be the precursor to make glucose is
3
30 sec
Q.
CO2 fixation occurs within the stroma.
4
30 sec
Q.
Which of the following is the most important thing that occurs during cell respiration?
5
30 sec
Q.
Which pathway for aerobic cellular respiration is located in the cytoplasm of the cell?
6
30 sec
Q.
The primary pigment in photosynthesis is:
7
30 sec
Q.
Which of the following parts of visible light is being reflected by chlorophylls a and b?
8
30 sec
Q.
Choose the pair that is correctly matched.
9
30 sec
Q.
The light reaction of photosynthesis does not include
10
30 sec
Q.
The first step of the Calvin cycle is
11
30 sec
Q.
How many carbon atoms are in a molecule of RuBP?
12
30 sec
Q.
Where do the enzymatic reactions of the Calvin cycle take place?
13
30 sec
Q.
Which of the following cell organelles convert one form of energy into another?
14
30 sec
Q.
The pigment molecules responsible for photosynthesis are located in the
15
30 sec
Q.
Photosynthesis utilizes _____.
16
30 sec
Q.
Which of the following statements about the mechanism of the light-dependent reactions of photosynthesis is correct?
17
30 sec
Q.
Which of the following organisms do NOT carry on photosynthesis?
18
30 sec
Q.
The correct description of the relationship between photosynthesis and the living world is
19
45 sec
Q.
Carbon dioxide enters leaves through a small opening called the
20
30 sec
Q.
The fluid-filled space surrounding the grana is called the ______.
21
30 sec
Q.
In terms of absorbing the energy from the sun, which of the following concepts is correct?
22
30 sec
Q.
The function of light reactions is to
23
30 sec
Q.
The final acceptor of electrons during the light reactions of the noncyclic electron pathway is
24
30 sec
Q.
The oxygen given off by photosynthesis comes from
25
30 sec
Q.
The Calvin cycle is considered light-independent because it can occur in darkness. However, most often the Calvin cycle takes place in sunlight. Which of the following likely explains why?
26
45 sec
Q.
Which of the following reactions does not occur during the Calvin cycle?
27
30 sec
Q.
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?
28
30 sec
Q.
The reaction-center chlorophyll of photosystem I is known as P700 because
29
30 sec
Q.
Which of the events listed below occur in the light reactions of photosynthesis?
30
30 sec
Q.
Which of the following statements is true about photosystem II?
31
30 sec
Q.
Which of the following are directly associated with photosystem I?
32
30 sec
Q.
In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from
33
30 sec
Q.
Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?
34
45 sec
Q.
For this question, compare the light reactions with the Calvin cycle of photosynthesis in plants.
Produces three-carbon sugars?
35
45 sec
Q.
For this question, compare the light reactions with the Calvin cycle of photosynthesis in plants.
Produces NADPH?
36
30 sec
Q.
Which of the following sequences correctly represents the flow of electrons during noncyclic electron flow?
37
45 sec
Q.
Thylakoid membranes within chloroplasts contain chlorophyll. The Calvin cycle occurs in the stroma of the chloroplasts. How are these processes occurring within the Calvin cycle and the thylakoid membrane connected?
38
45 sec
Q.
The overall source of energy for photosynthesis is:
39
20 sec
Q.
Photosynthesis uses sunlight to convert water and carbon dioxide into
40
20 sec
Q.
It is a protein attached to the thylakoid membrane that helps synthesize ATP each time a H+ exits the thylakoid
41
20 sec
Q.
The enzyme Phosphopentose Epimerase acts upon on which specific molecule?
42
30 sec
Q.
The enzyme Triose Phosphate Isomerase acts upon on which molecule?
43
30 sec
Q.
Which of the following is correct in terms of the number of Carbon atoms and the number of Phosphate
44
30 sec
Q.
Which of the following enzymes will be used to combine the molecules DHAP and Erythrose 4 Phosphate?
45
30 sec
Q.
What enzyme is needed to turn Ribulose 5 Phosphate into Ribulose 1,5 Bisphosphate?
46
30 sec
Q.
On which molecule does Phosphopentose Isomerase act upon?
47
30 sec
Q.
How many molecules of G3P will be used to regenerate 12 molecules of RuBP?
48
45 sec
Q.
For every six G3Ps produced by the Calvin Cycle, five are recycled to regenerate three
molecules of RuBP. Only one G3P leaves the cycle to be packaged for use by the cell.
49
45 sec
Q.
In the three turns/spins of the Calvin cycle, the enzyme Transketolase acts upon on which two molecules?
